. >>> students from virginia tech one year a solar decathlon competition, a solar powered house can be comfortable and affordable. this state of the art home that's programmed to do almost everything on its own. it's this week's edge of discovery. >> reporter: welcome to the home of the future. when you wake up, the cold concrete floor warms up. your favorite music starts playing and coffee begins to brew. as you drive away, the house locks itself. >> it's the solar house that gets all of its energy from the sun. >> reporter: a group of virginia tech students designed the house to be completely automated. it even has panels that adjust to the changing weather outside. >> it will main 100% energy efficiency. however, no one likes to be completely controlled by a computer. >> you can overwrite any command. >> reporter: the house is about 600 square feet. >> you really have to convince people that they could live in here. the space saving solutions are a big selling point for us. >> in the bedroom, the kitchen and the living room. >> when these sliding doors are open, and you open the are